import numpy as np
nd_array = np.arange(25).reshape(5,5)
print(nd_array)
print('-'*35)
nd_array[:, -2] = [-1,-2,-3,-4,-5]
print(nd_array)
print('-'*35)
nd_array[:, -2] = [-1,-2,-3,-4,-5, -6]
print(nd_array)
